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# Background and Motivation
Currently, we have an in-house parser that is built on the `lalrpop` parser-generator. This has been good while the supported syntax has been simple. However, as the suppo…
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### Topic
Support new SQL
### Description
您好，我们最近项目中用到了dt-sql-parser这个插件，感觉内容挺丰富的，但是我们想知道一些默认的不同引擎下的sql 语法校验规则，从哪里能找到呢
grammar/spark
/SparkSqlParser.g4和https://github.com/DTStack/dt-sql-parser/bl…
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This bug rhymes with #1244.
`parse_sql` normally doesn't care whether a single statement is terminated by a semicolon or end of string, but when parsing Snowflake syntax `COPY INTO` it does.
Thi…
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Hello, I used the `table` component, and the SQL is as follows:
```sql
select
'table' as component;
select
1 as a,
2 as b;
select
3 as a,
4 as b;
```
When connectin…
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## Bug Report
Please answer these questions before submitting your issue. Thanks!
### 1. Minimal reproduce step (Required)
version `09d12f0` (tried old version got the same behaviour)
```
package …
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DaphneIR has a `GroupOp` for relational-style grouping and aggregation, plus a corresponding `group`-kernel. However, at the moment, this operation can only be created through DAPHNE's SQL parser, but…
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Для прохідного:
✔️ ! Brief Description
✔️ ! Project Name
✔️ ! Grammar Rules
✔️ ! Unit Tests
✔️ ! Test Coverage
✔️ ! Core Files
✔️ ! CLI
Для максимального:
✔️ Error Handling
✔️ cargo fmt…
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After a large statement is scanned and parsed, we hang onto the scanner and parser allocations in https://github.com/cockroachdb/cockroach/blob/3d054f37c7c87f53cb56fac4e5500f0d1130d09a/pkg/sql/parser/…
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### Search before asking
- [X] I searched the [issues](https://github.com/sqlfluff/sqlfluff/issues) and found no similar issues.
### What Happened
I was writing a query of the following variety fo…
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### Is your feature request related to a problem?
The purpose of this RFC is to consolidate all the different PPL execution engines usage of the PPL specification (ANTLR) and the query to AST constru…